Prediction of alpha power using multiple subjective measures and
autonomic responses
- Yuting Xu,
- Ayumu Yamashita,
- Tomoya Kawashima,
- Kaoru Amano
Abstract
Alpha oscillations are associated with various cognitive functions.
However, the determinants of alpha power variation remain ambiguous,
primarily due to its inconsistent associations with autonomic responses
and subjective states under different experimental conditions. To
thoroughly examine the correlations between alpha power variation and
these factors, we implemented a range of experimental conditions,
encompassing attentional and emotional tasks, as well as a resting
state. In addition to the electroencephalogram data, we gathered a suite
of autonomic response measurements and subjective ratings. We employed
multivariate linear regression analysis, utilizing autonomic responses
and subjective reports as predictors of alpha power. We also subtracted
the aperiodic components for better estimation of the power of periodic
alpha oscillations. Our results demonstrated that the combined use of
autonomic response measurements and subjective ratings effectively
predicted the periodic alpha power variation across a range of
conditions. These predictions were supported by
leave-one-participant-out cross-validation, confirming that multivariate
linear relationships can be generalized to new participants. This study
demonstrates the links of alpha power variations with autonomic
responses and subjective states, suggesting that during investigations
of the cognitive functions of alpha oscillations, it is important to
consider the potential influences of autonomic responses and subjective
states on alpha oscillations.Submitted to Psychophysiology 11 Mar 2024Review(s) Completed, Editorial Evaluation Pending
17 Mar 2024Editorial Decision: Revise Minor
04 Jul 20241st Revision Received
05 Jul 2024Review(s) Completed, Editorial Evaluation Pending
05 Jul 2024Submission Checks Completed
05 Jul 2024Assigned to Editor
15 Jul 2024Reviewer(s) Assigned
25 Aug 2024Editorial Decision: Revise Minor